EP1744098A4 - LIGHT SOURCE MODULE AND AREA LIGHT SOURCE - Google Patents

LIGHT SOURCE MODULE AND AREA LIGHT SOURCE

Info

Publication number
EP1744098A4
EP1744098A4 EP05734505A EP05734505A EP1744098A4 EP 1744098 A4 EP1744098 A4 EP 1744098A4 EP 05734505 A EP05734505 A EP 05734505A EP 05734505 A EP05734505 A EP 05734505A EP 1744098 A4 EP1744098 A4 EP 1744098A4
Authority
EP
European Patent Office
Prior art keywords
light source
source module
light
guide plate
area
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05734505A
Other languages
German (de)
English (en)
French (fr)
Japanese (ja)
Other versions
EP1744098A1 (en
Inventor
Isao Makuta
Masayuki Shinohara
Junichi Takagi
Masato Matoba
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Omron Corp
Original Assignee
Omron Corp
Omron Tateisi Electronics Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Omron Corp, Omron Tateisi Electronics Co filed Critical Omron Corp
Publication of EP1744098A1 publication Critical patent/EP1744098A1/en
Publication of EP1744098A4 publication Critical patent/EP1744098A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0086—Positioning aspects
    • G02B6/0091—Positioning aspects of the light source relative to the light guide
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0081—Mechanical or electrical aspects of the light guide and light source in the lighting device peculiar to the adaptation to planar light guides, e.g. concerning packaging
    • G02B6/0083—Details of electrical connections of light sources to drivers, circuit boards, or the like

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Planar Illumination Modules (AREA)
  • Liquid Crystal (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)
EP05734505A 2004-04-26 2005-04-20 LIGHT SOURCE MODULE AND AREA LIGHT SOURCE Withdrawn EP1744098A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004129377A JP4465596B2 (ja) 2004-04-26 2004-04-26 光源モジュール及び面光源装置
PCT/JP2005/007556 WO2005103561A1 (ja) 2004-04-26 2005-04-20 光源モジュール及び面光源装置

Publications (2)

Publication Number Publication Date
EP1744098A1 EP1744098A1 (en) 2007-01-17
EP1744098A4 true EP1744098A4 (en) 2007-08-08

Family

ID=35197061

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05734505A Withdrawn EP1744098A4 (en) 2004-04-26 2005-04-20 LIGHT SOURCE MODULE AND AREA LIGHT SOURCE

Country Status (7)

Country Link
US (1) US20070217219A1 (enExample)
EP (1) EP1744098A4 (enExample)
JP (1) JP4465596B2 (enExample)
KR (1) KR100823807B1 (enExample)
CN (1) CN100498050C (enExample)
TW (1) TWI278702B (enExample)
WO (1) WO2005103561A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI276893B (en) * 2005-06-22 2007-03-21 Au Optronics Corp A backlight unit
KR101309470B1 (ko) * 2006-12-29 2013-09-23 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
KR101123541B1 (ko) * 2007-07-06 2012-03-12 엘지디스플레이 주식회사 평면 광원 유닛 및 그를 포함한 액정 표시 장치
KR101443377B1 (ko) * 2007-10-29 2014-09-26 엘지디스플레이 주식회사 백라이트 유닛 및 이를 구비한 액정표시장치
JP2009216753A (ja) * 2008-03-07 2009-09-24 Hitachi Displays Ltd 液晶表示装置
JPWO2009118960A1 (ja) * 2008-03-25 2011-07-21 シャープ株式会社 液晶表示装置
JP5072875B2 (ja) * 2009-02-04 2012-11-14 株式会社ジャパンディスプレイセントラル バックライトユニット及びこれを用いた液晶表示装置
TWI382248B (zh) * 2009-02-17 2013-01-11 Wintek Corp A backlight module having a light emitting element positioning structure
BRPI1008270A2 (pt) 2009-06-02 2016-03-15 Koninkl Philips Electronics Nv aparelho e sistema
FI20096108L (fi) * 2009-10-28 2011-04-29 Perlos Oyj Järjestely
US8786803B2 (en) * 2010-05-13 2014-07-22 Samsung Display Co., Ltd. Backlight assembly and display apparatus having the same
US8794811B2 (en) * 2011-03-16 2014-08-05 GE Lighting Solutions, LLC Edge-illuminated flat panel and light module for same
DE102012101411B4 (de) * 2012-02-22 2016-02-18 R.Stahl Schaltgeräte GmbH Explosionsgeschützte Leuchte mit eingegossener Optik
CN202708988U (zh) * 2012-07-03 2013-01-30 深圳安嵘光电产品有限公司 一种导光板及照明灯具
JP6827635B2 (ja) * 2016-12-09 2021-02-10 日亜化学工業株式会社 面光源装置、表示装置及び電子機器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5727862A (en) * 1996-11-25 1998-03-17 Taiwan Liton Electronic Co., Ltd. LED back light assembly
JP3900661B2 (ja) * 1998-03-13 2007-04-04 オムロン株式会社 面光源装置
EP1103759A3 (en) * 1999-11-11 2005-02-23 Toyoda Gosei Co., Ltd. Full-color light source unit
JP3604622B2 (ja) * 2000-09-14 2004-12-22 光造 谷畑 棒状ランプ及びその製造方法
JP3875891B2 (ja) * 2002-01-24 2007-01-31 株式会社日立製作所 液晶表示装置
JP4151331B2 (ja) * 2002-07-23 2008-09-17 セイコーエプソン株式会社 面状照明装置及びこれを備えた表示装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
No further relevant documents disclosed *

Also Published As

Publication number Publication date
EP1744098A1 (en) 2007-01-17
JP2005310696A (ja) 2005-11-04
CN100498050C (zh) 2009-06-10
TWI278702B (en) 2007-04-11
WO2005103561A1 (ja) 2005-11-03
TW200615656A (en) 2006-05-16
CN1946966A (zh) 2007-04-11
KR20070003971A (ko) 2007-01-05
JP4465596B2 (ja) 2010-05-19
US20070217219A1 (en) 2007-09-20
KR100823807B1 (ko) 2008-04-21

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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Effective date: 20061031

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Effective date: 20070705

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Effective date: 20100112